1. multi-spectral analysis reveals what is not visible to the naked eye
2. multi-spectral analysis can be used on large art that is hard to move
<span>3. multi-spectral analysis can see below the surface of the artwork </span>
The answer is the "Man at the Crossroads".
The most controversial mural of Diego Rivera in which he reflected his communist ideologies is called Man at the Crossroads. The mural was destroyed because the image of Vladimir Lenin, a communist was included.
